package com.zzj.hotel.service;


import java.util.List;

import com.zzj.hotel.core.entity.User;

public interface UserService 
{
    public User findById(String id);
    
    public List<User> findAll();
    
    public User findOne(String username, String password);

	public User findOne(String username);
	
	public void addUser(User user);
	
	public void updateUser(User user);
}
